This page contains Mario Superstar Baseball Unlockables for Gamecube called "Grand Prix mini-game" and has been posted or updated on Jun 4, 2007 by antonblood. Let us know what you think of this Unlockable by thumbs voting.
- Developer: Now Production
- Publisher: Nintendo
- Genre: Sports
- Release Date: Aug 29, 2005
- ESRB: Everyone
Grand Prix mini-game
You have to finish all six mini-games under the Star difficulty setting.
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